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Don't enforce p[0]=0 for non-Neumann problems.

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Bård Skaflestad 2010-11-06 19:16:23 +01:00
parent dba90f41bd
commit 43ddeaeca8
1 changed files with 8 additions and 1 deletions
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9
src/cfs_tpfa.c
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@ -217,12 +217,15 @@ cfs_tpfa_assemble(grid_t *G,
/* ---------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- */
{ {
int c1, c2, c, i, f, j1, j2; int c1, c2, c, i, f, j1, j2;
int is_neumann;
double s; double s;
csrmatrix_zero( h->A); csrmatrix_zero( h->A);
vector_zero (h->A->m, h->b); vector_zero (h->A->m, h->b);
is_neumann = 1;
for (c = i = 0; c < G->number_of_cells; c++) { for (c = i = 0; c < G->number_of_cells; c++) {
j1 = csrmatrix_elm_index(c, c, h->A); j1 = csrmatrix_elm_index(c, c, h->A);
@ -241,6 +244,8 @@ cfs_tpfa_assemble(grid_t *G,
h->A->sa[j1] += ctrans[i]; h->A->sa[j1] += ctrans[i];
h->A->sa[j2] -= ctrans[i]; h->A->sa[j2] -= ctrans[i];
} else if (bc->type[f] == PRESSURE) { } else if (bc->type[f] == PRESSURE) {
is_neumann = 0;
h->A->sa[j1] += ctrans[i]; h->A->sa[j1] += ctrans[i];
h->b [c ] += ctrans[i] * bc->bcval[f]; h->b [c ] += ctrans[i] * bc->bcval[f];
} }
@ -252,7 +257,9 @@ cfs_tpfa_assemble(grid_t *G,
h->A->sa[j1] += P[c]; h->A->sa[j1] += P[c];
} }
h->A->sa[0] *= 2; if (is_neumann) {
h->A->sa[0] *= 2;
}
} }